In late 2018, M2a announced that a new Aleste title is in development. Now its official title has been announced as Aleste Branch.
Related link: GEMATSU
I saw it thanks to Twitter tweets from Jpn accounts. I'm interested but unfortunately it won't be a retro projects. I would love being on SEGA MegaDrive/Saturn or why not MSX2/MSX2+/MSXturboR.